Lithium-ion battery
First Claim
1. A lithium-ion battery comprising:
- a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiAlxCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, LiTixCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, and combinations thereof;
a negative electrode comprising a foil current collector and an active material comprising a lithium titanate material, the current collector of the negative electrode comprising a material selected from the group consisting of aluminum, titanium, and combinations thereof; and
a liquid electrolyte and a polymeric separator provided intermediate the positive electrode and the negative electrode;
wherein the positive electrode and the negative electrode are provided in a wound or folded configuration; and
whereby the battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.
1 Assignment
0 Petitions
Accused Products
Abstract
A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1−x−y)O2, LiAlxCoyNi(1−x−y)O2, LiTixCoyNi(1−x−y)O2, and combinations thereof. The battery also includes a negative electrode that includes a current collector and an active material comprising a lithium titanate material. The current collector of the negative electrode includes a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof. The battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.
-
Citations
43 Claims
-
1. A lithium-ion battery comprising:
-
a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiAlxCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, LiTixCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, and combinations thereof;a negative electrode comprising a foil current collector and an active material comprising a lithium titanate material, the current collector of the negative electrode comprising a material selected from the group consisting of aluminum, titanium, and combinations thereof; and a liquid electrolyte and a polymeric separator provided intermediate the positive electrode and the negative electrode; wherein the positive electrode and the negative electrode are provided in a wound or folded configuration; and whereby the battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16)
-
-
15. A lithium-ion battery comprising:
-
a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNi1/3Co1/3Mn1/3O2, LiAlxCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, LiTixCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, and combinations thereof;a negative electrode comprising a foil current collector formed of a material including titanium and an active material provided on the foil current collector that comprises a lithium titanate material; and a polymeric separator provided intermediate the positive electrode and the negative electrode; wherein the positive electrode and the negative electrode have a wound or folded configuration; and whereby the battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.
-
-
17. A lithium-ion battery comprising:
-
a positive electrode comprising a current collector and an active material selected from the group consisting of LiCoO2, LiMn2O4, LiAlxCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, LiTixCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, and combinations thereof;a negative electrode comprising a negative current collector provided as a foil and an active material provided on the negative current collector, the negative current collector comprising aluminum and the active material provided on the negative current collector comprising a lithium titanate material; a liquid electrolyte; a separator comprising a polymeric material provided between the positive electrode and the negative electrode, wherein the positive electrode and the negative electrode are wound or folded electrodes; and a battery housing comprising a material selected from the group consisting of aluminum, titanium, and alloys thereof. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
-
-
34. A lithium-ion battery comprising:
-
a positive electrode comprising a wound aluminum current collector and an active material provided in contact with the aluminum current collector and selected from the group consisting of LiCoO2, LiAlxCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, LiTixCoyNi(1−
x−
y)O2 where x is between approximately 0.05 and 0.3 and y is between approximately 0.1 and 0.3, and combinations thereof;a negative electrode comprising a wound aluminum foil current collector and an active material, the active material comprising Li4Ti5O12 provided on the current collector of the negative electrode; and a polymeric separator provided intermediate the positive electrode and the negative electrode; wherein the positive electrode and the negative electrode have a zero voltage crossing potential above a decomposition potential of the active material provided on the positive electrode. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43)
-
Specification